402105616 has 20 divisors (see below), whose sum is σ = 849905424. Its totient is φ = 182775200.

The previous prime is 402105611. The next prime is 402105637. The reversal of 402105616 is 616501204.

It is not an unprimeable number, because it can be changed into a prime (402105611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142170 + ... + 1142521.

Almost surely, 2^402105616 is an apocalyptic number.

It is an amenable number.

402105616 is an abundant number, since it is smaller than the sum of its proper divisors (447799808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402105616 is a wasteful number, since it uses less digits than its factorization.

402105616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284710 (or 2284704 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 402105616 is about 20052.5713064435. The cubic root of 402105616 is about 738.0968970629.

The spelling of 402105616 in words is "four hundred two million, one hundred five thousand, six hundred sixteen".